A data set is made up of these values. 1, 2, 4, 5, 8, 10, 11
Find the interquartile range,
A. 10 - 2 = 8
B. 11 - 5 = 6
C. 11 - 1 = 10
D. 2 - 1 = 1

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96